Local: Rio de Janeiro - Rio de Janeiro, Brazil, TELECOMMUTE Cyrex, a Magic Media company, is a media and tech start-up powered by creativity and innovation.
Local
Rio de Janeiro - RJ
Remoto
Responsabilidades
- Perform penetration tests on PC, mobile, and console games.
- Reverse engineer game binaries and network protocols to identify vulnerabilities.
- Bypass client-side protections (SSL pinning, anti-cheat, packing/obfuscation).
- Develop and maintain internal tools and PoCs (C++, Python).
Requisitos
- 5+ years in penetration testing, reverse engineering or security research.
- Strong modern C++ and Python experience.
- Networking: TCP/UDP fundamentals (fragmentation, sequencing, multiplexing) and protocol design/mapping.
- Experience with Wireshark, mitmproxy and Scapy.
- Data/crypto basics: endianness, checksums, hashing, encoding, encryption/signing, bitmasks.
- Serialization: binary formats and var-length encodings.
- Binary exploitation (practical): crash triage, UAF/OOB/heap/stack, info leaks, ROP/JOP.
- Minimal RE capability: read disassembly when needed; use IDA/Ghidra and x64dbg/WinDbg/LLDB to support testing (deep reversing not required).
- Basic web hacking knowledge.
- Working knowledge of Unreal Engine (UE4/UE5, UE4SS), Unity, dnSpy, il2cpp.
Diferenciais
- An opportunity to hone and improve your skills by applying them to a diverse variety of gaming projects
- The chance to work closely with a team of like-minded creative professionals in a fast-paced, multicultural environment on a variety of gaming projects
- A competitive salary
- Ongoing training and professional self-improvement opportunities
Sobre a empresa
Cyrex, a Magic Media company, is a media and tech start-up powered by creativity and innovation. We work with leading developers and publishers in the games industry, providing support and solutions designed around individual needs and carried out by global experts. We produce high-quality results by constantly staying at the forefront of modern technology and cutting-edge processes and practices.
Benefícios
- An opportunity to hone and improve your skills by applying them to a diverse variety of gaming projects
- The chance to work closely with a team of like-minded creative professionals in a fast-paced, multicultural environment on a variety of gaming projects
- A competitive salary
- Ongoing training and professional self-improvement opportunities